Real Swedish Pancakes (Pannkakor)

This is how we make them here in Sweden. My mother always does them this way, and in every other Swedish family I have visited. The other recipes I have seen here have little resemblance with the original.
The pancakes should be thin like crêpes. It's also important that the skillet is thoroughly and evenly hot before starting (even then, the first few may not turn out perfect). Mark 4 on a 1-6 hob is good.
Note: The recipe is very easy to remember in Metric: 2 eggs times 3 (deciliters) flour equals 6 (deciliters) milk.

In defense of Andre's recipe....this was the second recipe that I tried this morning to satisfy my swedish husband's craving for Swedish Pancakes. The first recipe, even I knew, was completely off. They weren't thin rather slightly puffy. My husband looked at them and said, "Nope". I then found Andre's recipe on the internet. After tasting them, my husband said , "Bingo!"

Add the milk, a little at the time, and whisk to a smooth batter. The batter will be very thin (almost like for crêpes).

In a hot skillet (preferably cast-iron), add one teaspoon butter and just as much batter to cover the bottom (turn the skillet around to spread the batter). Fry the pancakes golden brown on both sides. Add more butter for each new pancake.